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authorAlan Mishchenko <alanmi@berkeley.edu>2007-10-01 08:01:00 -0700
committerAlan Mishchenko <alanmi@berkeley.edu>2007-10-01 08:01:00 -0700
commit4812c90424dfc40d26725244723887a2d16ddfd9 (patch)
treeb32ace96e7e2d84d586e09ba605463b6f49c3271 /src/base/io/ioWriteBlif.c
parente54d9691616b9a0326e2fdb3156bb4eeb8abfcd7 (diff)
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diff --git a/src/base/io/ioWriteBlif.c b/src/base/io/ioWriteBlif.c
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+/**CFile****************************************************************
+
+ FileName [ioWriteBlif.c]
+
+ SystemName [ABC: Logic synthesis and verification system.]
+
+ PackageName [Command processing package.]
+
+ Synopsis [Procedures to write BLIF files.]
+
+ Author [Alan Mishchenko]
+
+ Affiliation [UC Berkeley]
+
+ Date [Ver. 1.0. Started - June 20, 2005.]
+
+ Revision [$Id: ioWriteBlif.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "io.h"
+#include "main.h"
+#include "mio.h"
+
+////////////////////////////////////////////////////////////////////////
+/// DECLARATIONS ///
+////////////////////////////////////////////////////////////////////////
+
+static void Io_NtkWrite( FILE * pFile, Abc_Ntk_t * pNtk, int fWriteLatches );
+static void Io_NtkWriteOne( FILE * pFile, Abc_Ntk_t * pNtk, int fWriteLatches );
+static void Io_NtkWritePis( FILE * pFile, Abc_Ntk_t * pNtk, int fWriteLatches );
+static void Io_NtkWritePos( FILE * pFile, Abc_Ntk_t * pNtk, int fWriteLatches );
+static void Io_NtkWriteSubckt( FILE * pFile, Abc_Obj_t * pNode );
+static void Io_NtkWriteAsserts( FILE * pFile, Abc_Ntk_t * pNtk );
+static void Io_NtkWriteNodeGate( FILE * pFile, Abc_Obj_t * pNode, int Length );
+static void Io_NtkWriteNodeFanins( FILE * pFile, Abc_Obj_t * pNode );
+static void Io_NtkWriteNode( FILE * pFile, Abc_Obj_t * pNode, int Length );
+static void Io_NtkWriteLatch( FILE * pFile, Abc_Obj_t * pLatch );
+
+////////////////////////////////////////////////////////////////////////
+/// FUNCTION DEFINITIONS ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+ Synopsis [Write the network into a BLIF file with the given name.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_WriteBlifLogic( Abc_Ntk_t * pNtk, char * FileName, int fWriteLatches )
+{
+ Abc_Ntk_t * pNtkTemp;
+ // derive the netlist
+ pNtkTemp = Abc_NtkToNetlist(pNtk);
+ if ( pNtkTemp == NULL )
+ {
+ fprintf( stdout, "Writing BLIF has failed.\n" );
+ return;
+ }
+ Io_WriteBlif( pNtkTemp, FileName, fWriteLatches );
+ Abc_NtkDelete( pNtkTemp );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Write the network into a BLIF file with the given name.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_WriteBlif( Abc_Ntk_t * pNtk, char * FileName, int fWriteLatches )
+{
+ FILE * pFile;
+ Abc_Ntk_t * pNtkTemp;
+ int i;
+ assert( Abc_NtkIsNetlist(pNtk) );
+ // start writing the file
+ pFile = fopen( FileName, "w" );
+ if ( pFile == NULL )
+ {
+ fprintf( stdout, "Io_WriteBlif(): Cannot open the output file.\n" );
+ return;
+ }
+ fprintf( pFile, "# Benchmark \"%s\" written by ABC on %s\n", pNtk->pName, Extra_TimeStamp() );
+ // write the master network
+ Io_NtkWrite( pFile, pNtk, fWriteLatches );
+ // make sure there is no logic hierarchy
+ assert( Abc_NtkWhiteboxNum(pNtk) == 0 );
+ // write the hierarchy if present
+ if ( Abc_NtkBlackboxNum(pNtk) > 0 )
+ {
+ Vec_PtrForEachEntry( pNtk->pDesign->vModules, pNtkTemp, i )
+ {
+ if ( pNtkTemp == pNtk )
+ continue;
+ fprintf( pFile, "\n\n" );
+ Io_NtkWrite( pFile, pNtkTemp, fWriteLatches );
+ }
+ }
+ fclose( pFile );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Write the network into a BLIF file with the given name.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_NtkWrite( FILE * pFile, Abc_Ntk_t * pNtk, int fWriteLatches )
+{
+ Abc_Ntk_t * pExdc;
+ assert( Abc_NtkIsNetlist(pNtk) );
+ // write the model name
+ fprintf( pFile, ".model %s\n", Abc_NtkName(pNtk) );
+ // write the network
+ Io_NtkWriteOne( pFile, pNtk, fWriteLatches );
+ // write EXDC network if it exists
+ pExdc = Abc_NtkExdc( pNtk );
+ if ( pExdc )
+ {
+ fprintf( pFile, "\n" );
+ fprintf( pFile, ".exdc\n" );
+ Io_NtkWriteOne( pFile, pExdc, fWriteLatches );
+ }
+ // finalize the file
+ fprintf( pFile, ".end\n" );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Write one network.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_NtkWriteOne( FILE * pFile, Abc_Ntk_t * pNtk, int fWriteLatches )
+{
+ ProgressBar * pProgress;
+ Abc_Obj_t * pNode, * pLatch;
+ int i, Length;
+
+ // write the PIs
+ fprintf( pFile, ".inputs" );
+ Io_NtkWritePis( pFile, pNtk, fWriteLatches );
+ fprintf( pFile, "\n" );
+
+ // write the POs
+ fprintf( pFile, ".outputs" );
+ Io_NtkWritePos( pFile, pNtk, fWriteLatches );
+ fprintf( pFile, "\n" );
+
+ // write the assertions
+ if ( Abc_NtkAssertNum(pNtk) )
+ {
+ fprintf( pFile, ".asserts" );
+ Io_NtkWriteAsserts( pFile, pNtk );
+ fprintf( pFile, "\n" );
+ }
+
+ // write the blackbox
+ if ( Abc_NtkHasBlackbox( pNtk ) )
+ {
+ fprintf( pFile, ".blackbox\n" );
+ return;
+ }
+
+ // write the timing info
+ Io_WriteTimingInfo( pFile, pNtk );
+
+ // write the latches
+ if ( fWriteLatches && !Abc_NtkIsComb(pNtk) )
+ {
+ fprintf( pFile, "\n" );
+ Abc_NtkForEachLatch( pNtk, pLatch, i )
+ Io_NtkWriteLatch( pFile, pLatch );
+ fprintf( pFile, "\n" );
+ }
+
+ // write the subcircuits
+ assert( Abc_NtkWhiteboxNum(pNtk) == 0 );
+ if ( Abc_NtkBlackboxNum(pNtk) > 0 )
+ {
+ fprintf( pFile, "\n" );
+ Abc_NtkForEachBlackbox( pNtk, pNode, i )
+ Io_NtkWriteSubckt( pFile, pNode );
+ fprintf( pFile, "\n" );
+ }
+
+ // write each internal node
+ Length = Abc_NtkHasMapping(pNtk)? Mio_LibraryReadGateNameMax(pNtk->pManFunc) : 0;
+ pProgress = Extra_ProgressBarStart( stdout, Abc_NtkObjNumMax(pNtk) );
+ Abc_NtkForEachNode( pNtk, pNode, i )
+ {
+ Extra_ProgressBarUpdate( pProgress, i, NULL );
+ Io_NtkWriteNode( pFile, pNode, Length );
+ }
+ Extra_ProgressBarStop( pProgress );
+}
+
+
+/**Function*************************************************************
+
+ Synopsis [Writes the primary input list.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_NtkWritePis( FILE * pFile, Abc_Ntk_t * pNtk, int fWriteLatches )
+{
+ Abc_Obj_t * pTerm, * pNet;
+ int LineLength;
+ int AddedLength;
+ int NameCounter;
+ int i;
+
+ LineLength = 7;
+ NameCounter = 0;
+
+ if ( fWriteLatches )
+ {
+ Abc_NtkForEachPi( pNtk, pTerm, i )
+ {
+ pNet = Abc_ObjFanout0(pTerm);
+ // get the line length after this name is written
+ AddedLength = strlen(Abc_ObjName(pNet)) + 1;
+ if ( NameCounter && LineLength + AddedLength + 3 > IO_WRITE_LINE_LENGTH )
+ { // write the line extender
+ fprintf( pFile, " \\\n" );
+ // reset the line length
+ LineLength = 0;
+ NameCounter = 0;
+ }
+ fprintf( pFile, " %s", Abc_ObjName(pNet) );
+ LineLength += AddedLength;
+ NameCounter++;
+ }
+ }
+ else
+ {
+ Abc_NtkForEachCi( pNtk, pTerm, i )
+ {
+ pNet = Abc_ObjFanout0(pTerm);
+ // get the line length after this name is written
+ AddedLength = strlen(Abc_ObjName(pNet)) + 1;
+ if ( NameCounter && LineLength + AddedLength + 3 > IO_WRITE_LINE_LENGTH )
+ { // write the line extender
+ fprintf( pFile, " \\\n" );
+ // reset the line length
+ LineLength = 0;
+ NameCounter = 0;
+ }
+ fprintf( pFile, " %s", Abc_ObjName(pNet) );
+ LineLength += AddedLength;
+ NameCounter++;
+ }
+ }
+}
+
+/**Function*************************************************************
+
+ Synopsis [Writes the primary input list.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_NtkWritePos( FILE * pFile, Abc_Ntk_t * pNtk, int fWriteLatches )
+{
+ Abc_Obj_t * pTerm, * pNet;
+ int LineLength;
+ int AddedLength;
+ int NameCounter;
+ int i;
+
+ LineLength = 8;
+ NameCounter = 0;
+
+ if ( fWriteLatches )
+ {
+ Abc_NtkForEachPo( pNtk, pTerm, i )
+ {
+ pNet = Abc_ObjFanin0(pTerm);
+ // get the line length after this name is written
+ AddedLength = strlen(Abc_ObjName(pNet)) + 1;
+ if ( NameCounter && LineLength + AddedLength + 3 > IO_WRITE_LINE_LENGTH )
+ { // write the line extender
+ fprintf( pFile, " \\\n" );
+ // reset the line length
+ LineLength = 0;
+ NameCounter = 0;
+ }
+ fprintf( pFile, " %s", Abc_ObjName(pNet) );
+ LineLength += AddedLength;
+ NameCounter++;
+ }
+ }
+ else
+ {
+ Abc_NtkForEachCo( pNtk, pTerm, i )
+ {
+ if ( Abc_ObjIsAssert(pTerm) )
+ continue;
+ pNet = Abc_ObjFanin0(pTerm);
+ // get the line length after this name is written
+ AddedLength = strlen(Abc_ObjName(pNet)) + 1;
+ if ( NameCounter && LineLength + AddedLength + 3 > IO_WRITE_LINE_LENGTH )
+ { // write the line extender
+ fprintf( pFile, " \\\n" );
+ // reset the line length
+ LineLength = 0;
+ NameCounter = 0;
+ }
+ fprintf( pFile, " %s", Abc_ObjName(pNet) );
+ LineLength += AddedLength;
+ NameCounter++;
+ }
+ }
+}
+
+/**Function*************************************************************
+
+ Synopsis [Writes the assertion list.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_NtkWriteAsserts( FILE * pFile, Abc_Ntk_t * pNtk )
+{
+ Abc_Obj_t * pTerm, * pNet;
+ int LineLength;
+ int AddedLength;
+ int NameCounter;
+ int i;
+
+ LineLength = 8;
+ NameCounter = 0;
+
+ Abc_NtkForEachAssert( pNtk, pTerm, i )
+ {
+ pNet = Abc_ObjFanin0(pTerm);
+ // get the line length after this name is written
+ AddedLength = strlen(Abc_ObjName(pNet)) + 1;
+ if ( NameCounter && LineLength + AddedLength + 3 > IO_WRITE_LINE_LENGTH )
+ { // write the line extender
+ fprintf( pFile, " \\\n" );
+ // reset the line length
+ LineLength = 0;
+ NameCounter = 0;
+ }
+ fprintf( pFile, " %s", Abc_ObjName(pNet) );
+ LineLength += AddedLength;
+ NameCounter++;
+ }
+}
+
+/**Function*************************************************************
+
+ Synopsis [Write the latch into a file.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_NtkWriteSubckt( FILE * pFile, Abc_Obj_t * pNode )
+{
+ Abc_Ntk_t * pModel = pNode->pData;
+ Abc_Obj_t * pTerm;
+ int i;
+ // write the subcircuit
+// fprintf( pFile, ".subckt %s %s", Abc_NtkName(pModel), Abc_ObjName(pNode) );
+ fprintf( pFile, ".subckt %s", Abc_NtkName(pModel) );
+ // write pairs of the formal=actual names
+ Abc_NtkForEachPi( pModel, pTerm, i )
+ {
+ fprintf( pFile, " %s", Abc_ObjName(Abc_ObjFanout0(pTerm)) );
+ pTerm = Abc_ObjFanin( pNode, i );
+ fprintf( pFile, "=%s", Abc_ObjName(Abc_ObjFanin0(pTerm)) );
+ }
+ Abc_NtkForEachPo( pModel, pTerm, i )
+ {
+ fprintf( pFile, " %s", Abc_ObjName(Abc_ObjFanin0(pTerm)) );
+ pTerm = Abc_ObjFanout( pNode, i );
+ fprintf( pFile, "=%s", Abc_ObjName(Abc_ObjFanout0(pTerm)) );
+ }
+ fprintf( pFile, "\n" );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Write the latch into a file.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_NtkWriteLatch( FILE * pFile, Abc_Obj_t * pLatch )
+{
+ Abc_Obj_t * pNetLi, * pNetLo;
+ int Reset;
+ pNetLi = Abc_ObjFanin0( Abc_ObjFanin0(pLatch) );
+ pNetLo = Abc_ObjFanout0( Abc_ObjFanout0(pLatch) );
+ Reset = (int)Abc_ObjData( pLatch );
+ // write the latch line
+ fprintf( pFile, ".latch" );
+ fprintf( pFile, " %10s", Abc_ObjName(pNetLi) );
+ fprintf( pFile, " %10s", Abc_ObjName(pNetLo) );
+ fprintf( pFile, " %d\n", Reset-1 );
+}
+
+
+/**Function*************************************************************
+
+ Synopsis [Write the node into a file.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_NtkWriteNode( FILE * pFile, Abc_Obj_t * pNode, int Length )
+{
+ if ( Abc_NtkHasMapping(pNode->pNtk) )
+ {
+ // write the .gate line
+ fprintf( pFile, ".gate" );
+ Io_NtkWriteNodeGate( pFile, pNode, Length );
+ fprintf( pFile, "\n" );
+ }
+ else
+ {
+ // write the .names line
+ fprintf( pFile, ".names" );
+ Io_NtkWriteNodeFanins( pFile, pNode );
+ fprintf( pFile, "\n" );
+ // write the cubes
+ fprintf( pFile, "%s", Abc_ObjData(pNode) );
+ }
+}
+
+/**Function*************************************************************
+
+ Synopsis [Writes the primary input list.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_NtkWriteNodeGate( FILE * pFile, Abc_Obj_t * pNode, int Length )
+{
+ Mio_Gate_t * pGate = pNode->pData;
+ Mio_Pin_t * pGatePin;
+ int i;
+ // write the node
+ fprintf( pFile, " %-*s ", Length, Mio_GateReadName(pGate) );
+ for ( pGatePin = Mio_GateReadPins(pGate), i = 0; pGatePin; pGatePin = Mio_PinReadNext(pGatePin), i++ )
+ fprintf( pFile, "%s=%s ", Mio_PinReadName(pGatePin), Abc_ObjName( Abc_ObjFanin(pNode,i) ) );
+ assert ( i == Abc_ObjFaninNum(pNode) );
+ fprintf( pFile, "%s=%s", Mio_GateReadOutName(pGate), Abc_ObjName( Abc_ObjFanout0(pNode) ) );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Writes the primary input list.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_NtkWriteNodeFanins( FILE * pFile, Abc_Obj_t * pNode )
+{
+ Abc_Obj_t * pNet;
+ int LineLength;
+ int AddedLength;
+ int NameCounter;
+ char * pName;
+ int i;
+
+ LineLength = 6;
+ NameCounter = 0;
+ Abc_ObjForEachFanin( pNode, pNet, i )
+ {
+ // get the fanin name
+ pName = Abc_ObjName(pNet);
+ // get the line length after the fanin name is written
+ AddedLength = strlen(pName) + 1;
+ if ( NameCounter && LineLength + AddedLength + 3 > IO_WRITE_LINE_LENGTH )
+ { // write the line extender
+ fprintf( pFile, " \\\n" );
+ // reset the line length
+ LineLength = 0;
+ NameCounter = 0;
+ }
+ fprintf( pFile, " %s", pName );
+ LineLength += AddedLength;
+ NameCounter++;
+ }
+
+ // get the output name
+ pName = Abc_ObjName(Abc_ObjFanout0(pNode));
+ // get the line length after the output name is written
+ AddedLength = strlen(pName) + 1;
+ if ( NameCounter && LineLength + AddedLength > 75 )
+ { // write the line extender
+ fprintf( pFile, " \\\n" );
+ // reset the line length
+ LineLength = 0;
+ NameCounter = 0;
+ }
+ fprintf( pFile, " %s", pName );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Writes the timing info.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Io_WriteTimingInfo( FILE * pFile, Abc_Ntk_t * pNtk )
+{
+ Abc_Obj_t * pNode;
+ Abc_Time_t * pTime, * pTimeDef;
+ int i;
+
+ if ( pNtk->pManTime == NULL )
+ return;
+
+ pTimeDef = Abc_NtkReadDefaultArrival( pNtk );
+ fprintf( pFile, ".default_input_arrival %g %g\n", pTimeDef->Rise, pTimeDef->Fall );
+ Abc_NtkForEachPi( pNtk, pNode, i )
+ {
+ pTime = Abc_NodeReadArrival(pNode);
+ if ( pTime->Rise == pTimeDef->Rise && pTime->Fall == pTimeDef->Fall )
+ continue;
+ fprintf( pFile, ".input_arrival %s %g %g\n", Abc_ObjName(pNode), pTime->Rise, pTime->Fall );
+ }
+}
+
+
+////////////////////////////////////////////////////////////////////////
+/// END OF FILE ///
+////////////////////////////////////////////////////////////////////////
+
+